in japan, engineering crews labored again to stabilize that damaged nuclear plant. and, officials appealed for an end to panic buying, driven by fears of radiation. in tokyo, workers handed out bottled water to families with infants, those most at risk from radiation in tap water. at the same time, new readings showed the levels were safe again. >> ( translated ): i am not too worried as tv reports say it is not terribly risky. but, as i have small kids, i am grateful that the ward officials are distributing water like this. >> sreenivasan: officials also advised people not to hoard water and other supplies, even as many store shelves were emptied. tokyo's governor was among those trying to convince people that the crisis was over, even publicly drinking a glass of tap water. but many were still wary. at the city's meiji shrine, some steered clear of the water normally used in a cleansing ritual. and this local preschool opted to stick with purified water for cooking and drinking. water warnings remained in force of two of tokyo's neighboring prefectures-- chiba and